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Siemens UEC4045ED - Bus Plug Breaker 45A 480V 3P

Siemens
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Siemens UEC4045ED is a bus plug circuit breaker designed for branch circuit protection and isolation in industrial power distribution systems. It provides reliable overcurrent protection with a 45A current rating and a 480V AC voltage rating for three-phase applications. The unit features a robust construction with a 35 lb weight and is engineered for compatibility with ED-style panelboards and switchboards. It complies with relevant industry standards for electrical safety and performance, including an interrupting capacity of 18kA at 480V AC. Typical applications include protecting feeders and machinery in manufacturing plants, data centers, and other facilities utilizing busway systems.

Key Features & Specifications
  • Type: XL-U Family, UEC Type, Bus Plug Circuit Breaker
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Compatible Frames: ED
  • Wire: 4
  • Weight: 35 lb